H2Prism
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ELYgator

Netherlands

Overview

StatusConceptEuropean Clean Hydrogen Partnership · as of 2025
Country · regionNetherlandsAir Liquide
TechnologyWater electrolysisEuropean Clean Hydrogen Partnership · as of 2025
Capacity200 MWEuropean Clean Hydrogen Partnership · as of 2025

Capacity values retain their recorded units and scope. MW, kt H₂/y and Nm³ H₂/h are different measures; this page does not convert or add them without a shared operating basis.

Details

Technology & product

Componentselectrolysis (Hybrid alk pem)Air Liquide
Final Useserving industrial and heavy-duty mobility customersAir Liquide
Project Typehydrogen production facilityAir Liquide

Capacity & economics

Production Volumewill produce 23,000 tons of hydrogen per year

Location & names

Site NameMaasvlakte, Port of RotterdamAir Liquide
Official NameELYgatorAir Liquide

Timeline

  1. Construction start : 2025Air Liquide
  2. Final investment decision (FID) : 2025-07-23Air Liquide
  3. Target start of operation : 2027Air Liquide

Sources & record history

Sources

Field sources

Shared date, confidence and value status appear once with their source above; a dash in the table refers to that source context.

FieldShown valueOriginal valueSourceDate basisMeaning
NameELYgator
View exact valueELYgator
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
Site NameMaasvlakte, Port of Rotterdam
View exact value{"text":"Maasvlakte, Port of Rotterdam"}
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
CountryNetherlands
View exact valueNLD
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
Official NameELYgator
View exact value[{"lang":"en","name":"ELYgator","evidence":["E-01","E-04"]}]
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
Componentselectrolysis (Hybrid alk pem)
View exact value{"kind":"electrolysis","tech":"HYBRID_ALK_PEM","tech_raw":"Proton Exchange Membrane and Alkaline technologies","component_id":"CMP-1"}
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
Final Useserving industrial and heavy-duty mobility customers
View exact value{"value":"기타","raw_text":"serving industrial and heavy-duty mobility customers"}
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
Project Typehydrogen production facility
View exact valuehydrogen_production_facility
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
TechnologyWater electrolysis
View exact valueWater electrolysis
European Hydrogen Observatory projects Dec2025——
Capacity200 MW
View exact value200 MW
European Hydrogen Observatory projects Dec2025——
Production Volumewill produce 23,000 tons of hydrogen per year
View exact valuewill produce 23,000 tons of hydrogen per year
Air Liquide takes FID for large plant for renewable hydrogen at MaasvlakteCurrent
EventFinal investment decision (FID) : 2025-07-23
View exact value{"date":"2025-07-23","tags":{"as_of":"2025-07","source":"Air Liquide","evidence":["E-01"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-05","event_id":"V-01","raw_date_text":"Air Liquide takes a major step forward in European decarbonization efforts with the final investment decision to launch the construction of ELYgator","date_precision":"day"}
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
EventConstruction start : 2025
View exact value{"date":"2025","tags":{"as_of":"2025","source":"Air Liquide","evidence":["E-04"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-10","event_id":"V-02","raw_date_text":"In 2025, Air Liquide started construction of the ELYgator electrolyzer in Maasvlakte, within the Port of Rotterdam.","date_precision":"year"}
Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
EventTarget start of operation : 2027
View exact value{"date":"2027","tags":{"as_of":"2025-07","source":"Air Liquide","evidence":["E-03"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-14","event_id":"V-03","raw_date_text":"The project aims to be operational by the end of 2027.","date_precision":"year"}
Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)Older value
Progress StatusConcept
View exact valueannounced_or_planned
European Hydrogen Observatory projects Dec2025——

Record history

1 current sourced value · 12 older values · Record updated

H2Prism separates published values from estimates. Check the linked source before you use a value. · Back to Hydrogen projects

Records are compiled with AI assistance. Original source links are shown when available.